The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 02, 2022
Filed:
Aug. 21, 2017
Bisn Tec Ltd, Cheshire, GB;
Paul Carragher, Birchwood, GB;
Lance Underwood, Houston, TX (US);
Sylvain Bedouet, Houston, TX (US);
BiSN Tec Ltd., Warrington, GB;
Abstract
The present invention provides a method of sealing a region of a sand screen of an Open Hole Gravel Pack without the need to perforate the sand screen and a tool for use in such. The tool being a eutectic/bismuth based alloy well plugging/sealing tool () having a tubular heater body () with an internal cavity () capable of receiving a chemical heat source (). The tool is provided with a quantity of eutectic/bismuth based alloy () around an outer surface of the heater body () such that it can be heated by the chemical heat source (). In addition the tool () has an insulating sleeve () provided around an outer surface of the alloy (), wherein the sleeve () is configured to provide a focused egress for the alloy () as it is melted by the chemical heat source ().